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Finding the Third Proportional to 1,382,220 and 2,062,669.50

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Solution

The third proportional to 1,382,220 and 2,062,669.50 is: 3,078,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,220 : 2,062,669.50 = 2,062,669.50 : x
  2. Step 2: Convert to fraction form
    1,382,220/2,062,669.50 = 2,062,669.50/x
  3. Step 3: Cross multiply
    1,382,220x = 2,062,669.50 × 2,062,669.50
  4. Step 4: Simplify right side
    1,382,220x = 4,254,605,466,230.25
  5. Step 5: Solve for x
    x = 4,254,605,466,230.25/1,382,220
  6. Step 6: Final answer
    x = 3,078,095.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.